Spotlight Article:

Get Started Using BEopt

Download BEopt and EnergyPlus or DOE-2. Once they are installed, start BEopt and select either New Construction or Retrofit mode.
Geometry screen. Click and drag to draw your building floor plan.
Options screen. Select building ...

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June 22, 2015

Download BEopt and EnergyPlus or DOE-2. Once they are installed, start BEopt and select either New Construction or Retrofit mode.
Geometry screen. Click and drag to draw your building floor plan.
Options screen. Select building ... [continue reading]

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June 20, 2015

The story of BEopt starts in October 2000, when a seminal two-day workshop was held at the National Renewable Energy Laboratory (NREL) to explore the then-novel concept of zero net energy (ZNE) buildings. Representatives from the ... [continue reading]

April 28, 2013

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February 25, 2013

As any BPI Building Analyst will tell you, it’s hard to become adept at combustion testing. It takes lots of practice, in real houses, with real mechanical equipment. No amount of classroom training ... [continue reading]

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March 01, 2011

As a longtime writer about software for Home Energy, I get asked one question more often than any other: What software do you recommend for companies involved in energy auditing, weatherization, or residential retrofitting? The ... [continue reading]

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January 06, 2010

Modeling software can be very useful for helping you understand how a building works. As I’ve described in previous articles, you can calculate heating and cooling loads, HVAC air delivery requirements, and duct ... [continue reading]

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May 06, 2009

EnergyGauge, from the Florida Solar Energy Center (FSEC), is one of only two software applications certified by the Residential Energy Services Network (RESNET) for producing HERS ratings for new and existing buildings. (The other, which ... [continue reading]